Modular entertainment system speaker



FIG. 1 is a perspective view of a modular entertainment system speakershowing my design;

FIG. 2 is a front elevational view of FIG. 1, the rear, right side, andleft side elevational views being mirror images thereof;

FIG. 3 is a top plan view of FIG. 1; and,

FIG. 4 is a bottom plan view of FIG. 1.

The ornamental design for a modular entertainment system speaker,substantially as shown and described.